On Fri, Jul 15, 2016 at 09:58:22AM +0200, Petr Tesarik wrote: > On Fri, 15 Jul 2016 07:57:22 +0800 > joeyli <jlee at suse.com> wrote: > > > Hi Vivek > > > > On Thu, Jul 14, 2016 at 10:53:28AM -0400, Vivek Goyal wrote: > > > On Thu, Jul 14, 2016 at 04:45:11PM +0800, Lee, Chun-Yi wrote: > > > > This patch adds a new "--fallback-kexec" option to give a chance to > > > > fallback to old kexec syscall when file based kexec syscall operation > > > > failed. > > > > > > I think caller should switch to using different interface if need be. But > > > I don't see much point in providing an option for this in kexec-tools. > > > > > > Vivek > > > > > > > OK~ Understood! > > > > Thanks for Baoquan's and your opinion for this patch. > > Is there some sort of diagnostics, so a calling script can determine > whether kexec failed, because there's no suppor for kexec_file_load(2) > or for a different reason? > > Thanks, > Petr T The calling script needs to use "-s" option to access file based kexec, then check the result and call kexec without -s to access old kexec syscall. With this patch is just more convenience. Thanks a lot! Joey Lee